Whale’s Treasure – Tales from Te Papa Episode 54
This episode from the Te Papa Museum in New Zealand explains how ambergris is made, how it finds its way into the ocean and how to do a quick test to find out if your beach discovery is indeed ambergris.

So, it turns out some whales have regional accents
Whales talk to each other using patterns of clicks called codas, and a new study suggests those codas vary significantly depending on which ocean a whale is from. In other words, patterns of communication between whales vary depending on what region they inhabit: Just like people, whales have accents.